[Eeglablist] .locs file for Neuroscan 64 channel cap

Arnaud Delorme arno at ucsd.edu
Wed Nov 24 13:31:33 PST 2010


Dear Muhammad,

simply press the button "Look up locs" in the channel editor to look up standard locations for your channels (choose the BESA option).
Prior to doing that, you may rename your channels

M1 -> TP9
M2 -> TP10

I am not 100% sure that these are totally equivalent but this is standard usage.

HEO -> HEOG
VEO -> VEOG

I do not think CB1 and CB2 are regular 10/5 channels or have any equivalent. You may use the location below which are also in the regular BESA space.

http://sccn.ucsd.edu/~arno/fam2data/delorme_locfile.loc

Best regards,

A. Delorme

ps: more references 

10/20, 10/10, and 10/5 systems revisited: Their validity as relative head-surface-based positioning systems
Valer Jurcak1, Daisuke Tsuzuki1 and Ippeita Dan




On Nov 23, 2010, at 9:10 AM, MP wrote:

> Hello all,
> 
> I am sending this message again, because the last time I sent it, I was directed  to the Eeglab downloads page for the .locs file. On the Eeglab FTP server, there are only .map files for Neuroscan 64 channel cap, and it says that Eeglab is currently unable to convert it into .locs file. 
> 
> So, is there any other source where I can find this file? Or, is there anyone who is using Neuroscan 64 channel system and would like to share their .locs file with me?
> 
> Note that these 64 channels include HEO, VEO, M1, M2, CB1 and CB2 electrodes as well.
> 
> Thanks
> - Muhammad Parvaz
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